Difference between revisions of "Gas/Oil Interfacial Tension"
From wiki.pengtools.com
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:<math> \sigma_{100} =37.5 - 0.2571 SG_{oAPI}</math> | :<math> \sigma_{100} =37.5 - 0.2571 SG_{oAPI}</math> | ||
| − | :<math> T<68F\ \sigma_o=\sigma_{68}</math> | + | :<math> At\ T<68F,\ \sigma_o=\sigma_{68}</math> |
| − | :<math> 68F<T<100F\ \sigma_o=\frac{\sigma_{68} + (T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math> | + | :<math> 68F<T<100F,\ \sigma_o=\frac{\sigma_{68} + (T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math> |
| − | :<math>< T>100F\ sigma_o=\sigma_{100}</math> | + | :<math>< T>100F,\ sigma_o=\sigma_{100}</math> |
The density of formation water (brine) at reservoir conditions: | The density of formation water (brine) at reservoir conditions: | ||
Revision as of 07:48, 5 October 2020
Gas/Oil Interfacial Tension
Gas/Oil Interfacial Tension correlation was published by Baker and Swerdloff in 1956.
File:Gas/Oil Interfacial Tension.png
Gas/Oil Interfacial Tension correlation in the PVT software at pengtools.com
Math and Physics
The density of formation water (brine) at reservoir conditions:
Nomenclature
= water formation volume factor, res bbl/STB
= water salinity or solids concentration, mg/l
= water density at standard conditions, lbm/ft3
References
Baker, O. and Swerdloff, W. 1955. Calculation of Surface Tension 3—Calculating parachor Values. Oil Gas J. (5 December 1955): 141. Baker, O. and Swerdloff, W. 1956. Calculation of Surface Tension 6—Finding Surface Tension of Hydrocarbon Liquids. Oil Gas J. (2 January 1956): 125.
